x=[1982 1992 2002];
y=[103.5 34.5 23.3];

namelist = dir('D:\matlab\bin\CFD_corurse\DNS_heat_transfer\test_case\*.xy');

a= load(file_name{1});
% A={'y','value'};
% xlswrite('1',A)
b= load(file_name{2});
a 
b
cftool(a,b)